By Mario Berger, Goepel electronic GmbH, Jena, Germany
Based on a proposal by the Joint Test Action Group (JTAG) some 15 years ago, the IEEE Std. 1149.1 became the basis of a revolutionary digital test technology for electronic assemblies named Boundary Scan or JTAG. For increasingly complex PCBs, Boundary Scan today is no longer an option ...

By Simon Payne, CEO, XJTAG, Cambridge, UKReducing test cycle time while increasing test coverage is an important goal for equipment builders serving all types of markets, including military, aerospace, and transportation.

By Peter van den Eijnden, President, JTAG Technologies, Eindhoven, NetherlandsThe JTAG standard IEEE 1149.1 — developed by the Joint Test Action Group — was originally developed to facilitate structural testing of assembled PCBs, as well as testing boards where it is impossible to make contact with component pins with external probes. This type of testing becomes ...

By Ebeid Francis Safein, Applications Manager, Digitaltest, Concord, CAWhat do you do when your customer, a major transportation equipment manufacturer has a big problem with its electronics? The company has a large number of older printed circuit boards that are still used for the company's legacy equipment. There is no PC board data in any form. CAD, BOM ...

By Paul Groome, Machine Vision Products, Inc., Carlsbad, CA As electronic systems get smaller, the division between semiconductor and SMT manufacturing is blurring. For microelectronics inspection the opposite is happening. The division between AOI manufacturers is becoming more defined with only the highest quality AOI manufacturers being able ...